Symptoms
Under the /var/log/isi_ndmp_d log file, NDMP generates errors similar to these:
2022-02-10T14:05:52-06:00 powerscale-7 isi_ndmp_d[82787]: ERRO:NDMP tape.c:1270:ndmpdTapeRead Max tape record size (262144) exceeded
2022-02-10T14:05:54-06:00 powerscale-7 isi_ndmp_d[82806]: ERRO:NDMP tape.c:1270:ndmpdTapeRead Max tape record size (262144) exceeded
2022-02-10T14:06:45-06:00 powerscale-7 isi_ndmp_d[82871]: ERRO:NDMP tape.c:1270:ndmpdTapeRead Max tape record size (262144) exceeded
2022-02-10T14:07:46-06:00 powerscale-7 isi_ndmp_d[82927]: ERRO:NDMP tape.c:1165:ndmpdTapeWrite Max tape record size (262144) exceeded
Cause
The block size is set above 256 KB on the DMA.
Resolution
On the DMA, set the block size to 256 KB.